Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580166 | Cement pump for a wet spray system | Gunter Schmittchen | 1996-12-03 |
| 5536151 | Device for the pneumatic discharge of concrete that is hydromechanically transported in a dense flow | — | 1996-07-16 |
| 5224654 | Apparatus for pneumatically discharging liquified building material containing a hardener | — | 1993-07-06 |
| 5066203 | Apparatus for pneumatically discharging concrete | Joachim Coja, Andre J. Simnovec | 1991-11-19 |
| 4978073 | Apparatus for pneumatically discharging liquified building material containing a hardener | — | 1990-12-18 |
| 4708288 | Method and apparatus for pneumatically discharging hydromechanically conveyed hydraulic building material for underground operations | — | 1987-11-24 |
| 4280771 | Apparatus for distributing concrete, especially in the shuttering of gallery linings in mine and tunnel workings | Friedrich Schwing | 1981-07-28 |